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Question

What is the percentage of ash content in Indian coal?

A
5%
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B
10%
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C
20%
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D
30%
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Solution

The correct option is C 20%
The ash content of indian coal is 30℅. Initially in 1970s it was 28℅. The quality of Indian coal is deteriorating over the years. However Sulphur content of Indian coal is low about 0.5℅.

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